kw.\*:("POWER RIVER")
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POWER RIVER BASIN DEVELOPERS AIM AT 86 MILLION TPY BY 85.1976; COAL AGE; U.S.A.; DA. 1976; VOL. 81; NO 9; PP. 25-40 (4P.)Article
HIGHWALL STABILITY IN OPEN-PIT COAL MINES, WESTERN POWDER RIVER BASIN, WYOMING AND MONTANA.LEE FT; SMITH WK; SAVAGE WZ et al.1977; IN: AIME ANNU. MEET. PREPR.; ATLANTA; 1977; SALT LAKE CITY; SOC. MIN. ENG. AIME; DA. 1977; PP. 1-39; BIBL. 2 P.; 16 ILL.Conference Paper
